Tape punching device



A. J. LEVERING TAPE PUNCHING DEVICE Filed July '3, 1936 March 8, 1938.

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), MALM Patented Mar. 3, 1938 UNiTs STATES PATENT OFFICEg TAPE PUNCHING DEVICE Albert J. Levering, Haddon Heights, N. J.

Application .luly 3, 1936, Serial No. 88,708

l Claims. (Cl. 164-112) The invention relates to tape punching devices longer slot is shown at I2, this being the length and more particularly to mechanism for punchordinarily used for providing a punched dash. ing or perforating a tape of the type used with The length of the slot I2 is slightly less than three automatic telegraphic transmitting systems. times the length of the unit slot I I. A still longer 5 It is an object of the invention to provide a slot is shown at I3, the length thereof being tape punching or perforating device which will slightly less than five times the length of the be simple in construction but reliable in operaunit slot I I. tion. Spaces between the slots are also provided, a

It is a further object of the invention to pro- Space of unit length being shown at I4, and a l vide improved mechanism for accurately advanclODger Space 0f a plurality Of Spaee units 0f l0 ing a message tape so that the same may be length at I5. perforated, The length of the slots and the intervening It is a further object of the invention to prospaces may be varied in substantially unit lengths Vide a tape punching machine in which sucoeswith the device of the present invention but the l sive unit perforations in a tape may be combined lengths selected by the operator for the slots and l5 in such a manner as to provide an improved Spaces will be uniform. multiple unit perforation, The apparatus comprising the present inven- It is also an object of the invention to provide tOn and fOr punching the tape lll, aS referred to a machine for punching tape which will be easy above, includes a frame or base portion preferto operate and which will produce a properly ably 0f Cast metal 20 perforated tape, The frame 2!! has centrally disposed at the Other objects of the invention will appear from fear JGllel'eOf an upwardly eXtendlng Standard 2l the specication and claims. Which is cast or otherwise secured to the hori- Tne nature and characteristic features of th Zontal portion of the frame 20` A tape' drum or '3D invention will be more reacniy understood from spool 22 is removably mounted on the upper end 25 vthe following description, taken in connection of the standard 2I, preferably being J'Ournaled en with the accompanying drawing forming part a bearing pin 23 secured to the standard 2l. A hereof, in which nut or other removable holding device 24 is pron Fig. l is a plan view illustrating a preferred vided on the outer end of the bearing Din 23 fer "o embodiment of the present invention; holding the tape drum 22 in position on the bear- 30 Fig. 2 is a vertical sectional view taken longiing Din 23- tudinally, and approximately on the line 2 2 of The frame 20 also has Centrally disDOSed near Fig. l; the front thereof an upwardly extending guide 5 Fig. 3 is a vertical sectional view taken lateral- Standard 25- The guide Standard 25 is provided 5 'l' ly, and approximately on the line 3-3 of Fig. 2; With slotted portions 26 and 21, with stop pins 28 Fig. 4 is a vertical sectional view taken iateraiand 29 at the upper ends respectively of the slots ly, and approximately on the line 4 4 of Fig. 2; 25 and 2l Fig. 5 is a vertical sectional view taken longi- The 10Wer end Of the Standard 2l llaS a tane 40 tudinally, and approximately on the line 5-5 of guide Din 30 InOunted l'leYeOn fOr guiding and 40 Fig, 1; directing the tape I0 as it comes from the tape Fig. 6 is a plan view on a somewhat enlarged Speel 22, and at the ODPOSl'Ie end 0f the tape scale of the tape, course, at the front of the frame 2li, a tape bearit will, of course, be understood that the aeins strip 3i is mounted. kThe tape bearing strip soription and drawing herein contained are iiius- 3l is held on the frame 20 by e Supporting pin 32. 45 trative merely, and that various modifications and MeChanlSIn iS DYOVlded fOr advancing the tape changes may be made in the structure disclosed a predetermined dStanCe A Space key member without departing from the spirit of the inven- 35 is provided and includes a space key lever 36, tion. with a ringer portion 3l mounted at one end Referring more particularly to the drawing, the thereof, This end portion of the lever is recipro- 50 tape, designated as lil, has slots or perforations cable in the guide slot 2l', upward movement of of diierent predetermined lengths punched therethis portion of the lever 3S being limited by the in as hereinafter pointed out. A slot of unit pin 29 and downward movement being limited by length is shown at II, this being the unit ordivthe' lower end of the guide slot 2l. The other narily used for providing a punched dot, A endof the space key lever 36 is pivotally mounted 55 -the punch leverv 5|.

on a bolt 38, which extends through the standard 2|. A spring 39 coiled around the bolt 38 with one end bearing on the frame 2D and the other end hooked under the space key lever 36 normally urges the spacing lever 36 to its upper position, in contact with the stop pin 29.

A tape actuator shaft 40 is mounted in upwardly extending portions 4| and 42 of the frame 20. A tape driving roll 43, having a covering of suitable material such as soft rubber is mounted on the actuator shaft 40 directly above the tape bearing strip 3| in such a manner that the driving roll 43 will draw the tape l0 along the bearing strip 3| by frictional engagement of the roll 43 with the tape |0.

A toothed wheel 44 is also secured to the shaft v4|) for engagement by a pawl 45. The pawl 45is pivotally mounted on the spacing lever 36 by a rivet 46, and is held in engagement with the toothed periphery of the wheel 44 by a spring 41.

A punch key member 50 is provided and includes a punch key lever 5|, with a finger portion 52 mounted at one end thereof. This' end por-1 tion of the punch key lever 5| is reciprocable in the guide slot 26, upward movement of this portion of the lever being limited by the pin 28 and downward movement being limited by the lower end of the guide-slot 26. The other end of the punch key` lever 5| is pivotally mounted on the bolt 38 in the standard 2|.

A punch spring 53 is provided and is mounted at one end upon a lug 54 formed on the frame 20, the other end portion of the spring 53 extending across the frame with the extremity beyond Bolts 55 are preferably employed for holding the end portion of the spring 53'in engagement with the lug54. A tape guide member 56 is mounted preferably by means of a bolt 51 on the frame 2|) and beneath the spring 53. The other end portion of the tape. guide member 56 extends beneath the extremity of the spring 53 and has a slot 58 formed therein.

A die member 60` in the form of a iiat plate of spring steel metal is mounted on the frame2ll by suitable fastening means such as the bolts 6| and has anaperture `62 therein for reception of a tape punch member 63.

The tape punch member 63 is preferably rec-` tangular at the lower end thereof, as at 64, the dimensions from` front to back conforming to the unitlength of the slot and the dimensions from side to side conforming to the Width of the slot The punch member 63 is mounted on the punch spring 53, and has an upper end portion thereof which passes through an aperture inthe spring 53. A nut 65 on the upper end of the tape punch member 63 holds the same in position with respect to the spring 53.

The upper end of the tape punch member 63 is in contact with the lower edge of the tape punch lever 5| and is held in contact by the punch spring 53.

The operation of the device will now be pointed out. 1

The freeend of the tape ||J on the tape drum 22 is introduced under the tape guide pin 30then along the die member 60 and below the tape guide member 56 and then between the tape guide strip 3| and the drive wheel 43.

If the finger member 31 on the spacing lever 36 be pressed, thepawl 45 engages a tooth of the wheel 44 and further downward movement of the end of the lever 36 causes movement of the shaft 40 and of the drive wheel 43V carried thereby. The fnlctional contact of. the drive wheel 43 on 5| is pressed'downwardly and the pressure ex` erted on the lever 5| is transmitted through the end portion of the punch member 63 against the force of the spring 53 and the punch member 63 is forced downwardly through the aperture 62 of the die 60. This removes a portion of the tape I0 in accordance with the form and shape of the punch and die members'63 and 60. The space key lever 36 is again operated and advances the tape I0 a single space unitfor each actuation thereof. The tape is thus brought to a position for further punching or for the provision of a suitable number of spacing units. The operation of the space key lever 36 advances the tape I0 a distance which is slightly less than the dimension from the front to the back of the portion 64 of the punch member 63 so that upon successive punchings a slight overlap of the punchings is effected. This insures a` complete removal of material from the tape in accordance with the length of slot desired.

I claim l. A machine for perforating tape including means for advancing the tape a predetermined unit distance for each actuation thereof,v and means for punching in the tape a perforation of a length slightly in excess of the unit distance of advance. f

2. A machine for perforating tape including a tape supply device, means for advancing the tape a predetermined unit distance for each actuation thereof, means for punching in the tape a perforation of a length slightly in excessof the unit vdistance of advance, said last named means including a die member, apunch member comple- .mental tothe die member' and manually operable devices for actuating said punch member.

3. A machine for perforating tape including a tape supply device, means for advancing thetape a predetermined unitdistance for each actuation thereof, means for punching in the tape a perforation of a length slightly in excess of the unit distance of advance, said last named means including a diemember, a punch member complemental to the die member, tape guide means for holding the tape in position with respect to the die member, and manually'operable devices for actuating said punch 'memben 4. In a machine for perforating tape, key operated mechanism for advancing the tape a predetermined distance for each actuation thereof, and independently actuable key operated mechanism for perforating in said tape slots of predetermined'length greater than the distance of advance. Y

5. In a machine for perforating tape, key operated mechanism foradvancing the tape a predetermined distance, and independently actuable key operated mechanism for perforating in said tape slots of predetermined length greater than thedistance of advance upon completion of the operation of the advancing mechanism.

6. A machine for perforating tape including a tape supply device, means for advancing said tape from said supply device a unit distance for each actuation thereof, a punch for punching a slot of predetermined unit length in said tape, and manually actuable punch control mechanism separately operable with respect to the advancing mechanism for punching with the punch a slot of unit length upon a single operation thereof or for punching a continuous slot of multiple unit length upon actuation thereof, said mechanism being operable between actuations of said advancing means.

'7. A machine for perforating tape including a tape supply device, manually operable means for advancing the tape from the supply device a unit distance for each actuation thereof, and manually actuable unit length slot punching mechanism separately operable With respect to said advancing means for punching a slot in said tape of multiple unit length in punching operations between the respective actuations of said advancing means.

ALBERT J. LEVERING. 

